LlamaIndex
LlamaIndex is the leading data framework for connecting LLMs to your custom data sources. It provides tools for ingestion, indexing, querying, and evaluation of RAG pipelines. With over 40,000 GitHub stars and millions of downloads, it is the standard for building production RAG applications.
- Location
- San Francisco, USA
- Raised
- $8.5M
- Stage
- Series A
- Founded
- 2022
- Category
- AI
- Funding
- VC-backed
- Team
- 11–50
Funding figures as of Jul 2025 · not independently verified
Founders of LlamaIndex
- Jerry Liu
- Simon Suo
Investors backing LlamaIndex
- Greylock
Frequently asked questions
What does LlamaIndex do?
LlamaIndex is the leading data framework for connecting LLMs to your custom data sources. It provides tools for ingestion, indexing, querying, and evaluation of RAG pipelines. With over 40,000 GitHub stars and millions of downloads, it is the standard for building production RAG applications.
Where is LlamaIndex based?
LlamaIndex is based in San Francisco, USA.
When was LlamaIndex founded?
LlamaIndex was founded in 2022.
How much has LlamaIndex raised?
LlamaIndex has raised $8.5M in their Series A round as of Jul 2025.
Who founded LlamaIndex?
LlamaIndex was founded by Jerry Liu, Simon Suo.
Who has invested in LlamaIndex?
LlamaIndex is backed by Greylock.
How LlamaIndex would pitch themselves
○ Auto-generated01Target customer
Building LLM applications — the core audience LlamaIndex's product is built around.
02Problem they solve
LlamaIndex is the leading data framework for connecting LLMs to your custom data sources. It provides tools for ingestion, indexing, querying, and evaluation of RAG pipelines. With over 40,000 GitHub stars and millions… The category has historically been served by tools that miss the modern workflow this product is built around.
03Key differentiator
LlamaIndex differentiates on data framework for building llm applications. Backed by Greylock, $8.5M raised — the company has resources + validation to compound this thesis. Founded by Jerry Liu + team.
04Go-to-market strategy
Series-A scaling stage — building outbound sales motion, hiring first AEs, layering on customer success. Mix of PLG (where the product allows) + direct sales for higher-ACV deals.